The pressure amplitude in a sound wve from a radio receiver is `2.0xx10^-2 Nm^-2` an the intensity at a point is `5.0xx10^-7Wm^-2.` If by turning the volume knob the pressure amplitude in increased to `2.5xx10^-2Nm^-2` evaluate intensity.

The pressure amplitude in a sound wave from a radio receiver is 2.0xx10^-2 Nm^-2 and the intensity at a point is 5.0xx10^-7Wm^-2. If by turning the volume knob the pressure amplitude is increased to 2.5xx10^-2Nm^-2 evaluate intensity.

The pressure amplitude in a sound wave from a radio receiver is 2.0xx10^-2 Nm^-2 and the intensity at a point is 5.0xx10^-7Wm^-2. If by turning the volume knob the pressure amplitude is increased to 2.5xx10^-2Nm^-2 evaluate intensity.

The pressure amplitude in a sound wave from a radio receive is 2.0 xx 10^(-3)N//m^(2) and the intensity at a point is 10^(-6)W//m^(2) . If by turning the "Volume" knob the pressure amplitude is increased to 3 xx 10^(-2)N//m^(2) , evalute the intensity.

The intensity of a laser beam is 5 xx 10^14 Wm^-2 . Calculate the amplitudes of electric and magnetic field in it.

The intensity of sound from a radio at a distance of 2 metres from its speaker is 1xx10^(-2) mu W//m^(2) . The intensity at a distance of 10 meters would be

The intensity of sound from a radio at a distance of 2 metres from its speaker is 1xx10^(-2) mu W//m^(2) . The intensity at a distance of 10 meters would be

The pressure of water in a pipe when tap is closed is 5.5xx10^5 Nm^(-2) . When tap gets open, pressure reduces to 5xx10^5Nm^(-2) . The velocity with which water comes out on opening the tap is

The intensity of sound from a point source is 1.0 xx 10^-8 Wm^-2 , at a distance of 5.0 m from the source. What will be the intensity at a distance of 25 m from the source ?

The intensity of sound from a point source is 1.0 xx 10^-8 Wm^-2 , at a distance of 5.0 m from the source. What will be the intensity at a distance of 25 m from the source ?